:root {
    --primary: #0b6efd;
    --primary-dark: #084298;
    --accent: #20c997;
    --text: #1f2933;
    --muted: #4b5563;
    --bg: #f8fafc;
    --light: #ffffff;
    --shadow: 0 18px 40px rgba(15, 23, 42, 0.08);
    --max-width: 1080px;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: 'Inter', 'Segoe UI', Arial, sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.7;
}

a {
    color: var(--primary);
    text-decoration: none;
}

a:hover {
    color: var(--primary-dark);
}

header {
    background: var(--light);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow);
}

.navbar {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 1.2rem 1.6rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary-dark);
}

nav ul {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1rem;
    margin: 0;
    padding: 0;
}

nav a {
    font-weight: 600;
}

.hero {
    background: radial-gradient(circle at 20% 20%, rgba(11, 110, 253, 0.88), rgba(32, 201, 151, 0.92));
    color: var(--light);
    padding: 6rem 1.6rem;
    text-align: center;
}

.hero h1 {
    font-size: 2.8rem;
    margin-bottom: 1rem;
}

.hero p {
    max-width: 720px;
    margin: 0 auto 2rem auto;
    font-size: 1.1rem;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    background: var(--accent);
    color: var(--light);
    padding: 0.9rem 1.8rem;
    border-radius: 999px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    box-shadow: 0 12px 30px rgba(32, 201, 151, 0.35);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 18px 40px rgba(32, 201, 151, 0.45);
}

.section {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 4rem 1.6rem;
}

.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.8rem;
}

.card {
    background: var(--light);
    border-radius: 18px;
    padding: 2rem;
    box-shadow: var(--shadow);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
    transform: translateY(-6px);
    box-shadow: 0 24px 50px rgba(15, 23, 42, 0.12);
}

.card h3 {
    margin-top: 0;
}

.grid-two {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 3rem;
    align-items: center;
}

.badge {
    display: inline-block;
    background: rgba(11, 110, 253, 0.12);
    color: var(--primary-dark);
    font-weight: 600;
    padding: 0.3rem 0.8rem;
    border-radius: 999px;
    margin-bottom: 0.8rem;
}

.testimonials {
    background: var(--light);
    border-radius: 22px;
    padding: 2.6rem;
    box-shadow: var(--shadow);
}

.testimonial-item {
    margin-bottom: 1.6rem;
}

.highlight {
    background: rgba(32, 201, 151, 0.14);
    padding: 1.2rem;
    border-radius: 14px;
    font-weight: 600;
}

footer {
    background: #0f172a;
    color: rgba(255, 255, 255, 0.78);
    padding: 3rem 1.6rem;
}

footer a {
    color: rgba(255, 255, 255, 0.88);
}

.footer-grid {
    max-width: var(--max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2.4rem;
}

.phone-banner {
    position: fixed;
    bottom: 18px;
    right: 18px;
    background: var(--primary);
    color: var(--light);
    padding: 1rem 1.4rem;
    border-radius: 16px;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-weight: 700;
    z-index: 150;
}

.phone-banner a {
    color: var(--light);
    font-size: 1.1rem;
}

.mobile-call-fab {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: #22c55e;
    color: var(--light);
    box-shadow: var(--shadow);
    display: none;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
    z-index: 220;
}

.mobile-call-fab svg {
    width: 30px;
    height: 30px;
    fill: currentColor;
}

.mobile-call-fab:hover {
    background: #16a34a;
    transform: translateY(-2px);
    box-shadow: 0 20px 40px rgba(34, 197, 94, 0.35);
}

@media (max-width: 900px) {
    .hero {
        padding: 5rem 1.4rem;
    }

    .grid-two {
        gap: 2.4rem;
    }
}

@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    nav ul {
        justify-content: center;
    }

    nav a {
        padding: 0.4rem 0.6rem;
    }

    .hero h1 {
        font-size: 2.2rem;
    }

    .hero p {
        font-size: 1.05rem;
    }

    .section {
        padding: 3.2rem 1.4rem;
    }

    .phone-banner {
        left: 50%;
        right: auto;
        transform: translateX(-50%);
    }
}

@media (max-width: 640px) {
    header {
        position: static;
    }

    .hero {
        padding: 4.4rem 1.2rem 3.6rem;
    }

    .hero h1 {
        font-size: 1.9rem;
    }

    .section {
        padding: 3rem 1.2rem;
    }

    .grid-two {
        gap: 2rem;
    }

    .phone-banner {
        display: none;
    }

    .mobile-call-fab {
        display: flex;
    }

    .cta-button {
        width: 100%;
        justify-content: center;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 1.6rem;
    }

}